Home / 140,614.56-194,052.96-80,194.32

Finding the Fourth Proportional to 140,614.56, 194,052.96 and 80,194.32

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Solution

The fourth proportional to 140,614.56, 194,052.96 and 80,194.32 is: 110,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,614.56 : 194,052.96 = 80,194.32 : x
  2. Step 2: Convert to fraction form
    140,614.56/194,052.96 = 80,194.32/x
  3. Step 3: Cross multiply
    140,614.56x = 194,052.96 × 80,194.32
  4. Step 4: Simplify right side
    140,614.56x = 15,561,945,171.19
  5. Step 5: Solve for x
    x = 15,561,945,171.19/140,614.56
  6. Step 6: Final answer
    x = 110,670.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.